$113 Cheap Flights from Seattle (SEA) to Cheyenne (CYS)

View $113 flight on Thu, Aug 21, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cheyenne, WY (CYS-Cheyenne Regional)

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Cheap Flights from Seattle to Cheyenne (SEA-CYS)

Prices were available within the past 7 days and start at $113 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 15 - Tue, Jul 22
SEA
Seattle
CYS
Cheyenne
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 15 from Seattle to Cheyenne, returning Tue, Jul 22, priced at $290 found 1 day ago
United
Thu, Jul 10 - Sun, Jul 13
SEA
Seattle
CYS
Cheyenne
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jul 10 from Seattle to Cheyenne, returning Sun, Jul 13, priced at $295 found 5 days ago
United
Sat, Nov 15 - Wed, Nov 19
SEA
Seattle
CYS
Cheyenne
$296 Roundtrip, found 7 hours ago
$296
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Cheyenne, returning Wed, Nov 19, priced at $296 found 7 hours ago
United
Thu, Aug 21 - Sun, Aug 31
SEA
Seattle
CYS
Cheyenne
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 21 from Seattle to Cheyenne, returning Sun, Aug 31, priced at $302 found 1 day ago
United
Mon, Sep 1 - Sat, Sep 6
SEA
Seattle
CYS
Cheyenne
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 1 from Seattle to Cheyenne, returning Sat, Sep 6, priced at $306 found 2 days ago
United
Sat, Nov 15 - Sun, Nov 23
SEA
Seattle
CYS
Cheyenne
$307 Roundtrip, found 7 hours ago
$307
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Nov 15 from Seattle to Cheyenne, returning Sun, Nov 23, priced at $307 found 7 hours ago
United
Fri, Aug 1 - Tue, Aug 19
SEA
Seattle
CYS
Cheyenne
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 1 from Seattle to Cheyenne, returning Tue, Aug 19, priced at $313 found 2 days ago
United
Fri, Aug 1 - Mon, Aug 18
SEA
Seattle
CYS
Cheyenne
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 1 from Seattle to Cheyenne, returning Mon, Aug 18, priced at $318 found 2 days ago
United
Mon, Jul 28 - Mon, Aug 11
SEA
Seattle
CYS
Cheyenne
$318 Roundtrip, found 3 days ago
$318
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jul 28 from Seattle to Cheyenne, returning Mon, Aug 11, priced at $318 found 3 days ago
Alaska Airlines
Thu, Oct 9 - Sun, Oct 12
PAE
Seattle
CYS
Cheyenne
$998 Roundtrip, found 21 hours ago
$998
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Thu, Oct 9 from Seattle to Cheyenne, returning Sun, Oct 12, priced at $998 found 21 hours ago

Find the cheapest month to fly from Seattle (SEA) to Cheyenne (CYS)

February is typically the cheapest month to fly

From $206 - $556 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Cheyenne (CYS)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Cheyenne Regional
Airlines serving
United
Roundtrip price
$290
Distance
964 mi

Seattle to Cheyenne Flights

The cheapest times to fly from Seattle to Cheyenne

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Cheyenne are during the month of July. You can find some of the cheapest flights from Seattle to Cheyenne with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Cheyenne

Sunday is one of the best days to book for cheap flights from Seattle to Cheyenne: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Cheyenne

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Cheyenne in 2025. You can also book with separate airlines for your outbound and return journeys, from $113 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Cheyenne flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Cheyenne airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS) cost?
Discover the latest flight deals from SEA to CYS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to CYS?
The cheapest flights from SEA to CYS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to CYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to CYS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS)?
There aren't any daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to CYS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS)?
To land at Cheyenne Regional Airport (CYS) on schedule, choose a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS) last-minute?
Last-minute fares from SEA to CYS are generally more expensive. To lock in the lowest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a SEA to CYS flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to CYS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Cheyenne Regional Airport (CYS)?
If you reserved your SEA to CYS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.